Variables
|
All casesb
|
AC
|
SCC
|
---|
|
No. of cases
|
ASR
|
No. of cases
|
ASR
|
No. of cases
|
ASR
|
---|
SO2 concentration (ppb)
|
≤ 3.74
|
854
|
37.35
|
513
|
22.98
|
70
|
2.93
|
3.74 - 5.52
|
1209
|
40.20
|
785
|
26.25
|
114
|
3.71
|
5.52 - 7.75
|
1280
|
39.96
|
834
|
26.09
|
127
|
3.99
|
> 7.75
|
1390
|
41.12
|
843
|
25.23
|
145
|
4.37
|
CO concentration (ppm)
|
≤ 0.55
|
574
|
38.35
|
336
|
22.84
|
64
|
4.29
|
0.55 - 0.72
|
736
|
36.33
|
466
|
23.29
|
65
|
3.36
|
0.72 - 0.88
|
1338
|
39.81
|
825
|
24.84
|
132
|
4.12
|
> 0.88
|
2085
|
41.85
|
1348
|
27.31
|
195
|
3.72
|
NO2 concentration (ppb)
|
≤ 17.09
|
619
|
38.02
|
364
|
22.70
|
62
|
3.90
|
17.09 - 22.18
|
900
|
38.92
|
554
|
24.47
|
91
|
3.85
|
22.18 - 27.63
|
1176
|
39.24
|
732
|
22.46
|
124
|
4.19
|
> 27.63
|
2038
|
41.21
|
1325
|
27.08
|
179
|
3.60
|
NO concentration (ppb)
|
≤ 5.29
|
726
|
38.43
|
430
|
23.53
|
74
|
3.96
|
5.29 - 8.18
|
727
|
37.99
|
433
|
22.93
|
81
|
4.30
|
8.18 - 12.37
|
1199
|
38.15
|
765
|
24.51
|
121
|
3.82
|
> 12.37
|
2081
|
42.27
|
1347
|
27.65
|
180
|
3.66
|
O3 concentration (ppb)
|
≤ 19.18
|
1932
|
43.08
|
1252
|
28.39
|
174
|
3.85
|
19.18 - 22.01
|
1208
|
37.13
|
761
|
23.45
|
123
|
3.87
|
22.01 - 25.33
|
822
|
37.93
|
502
|
23.31
|
81
|
3.74
|
> 25.33
|
771
|
39.83
|
460
|
24.54
|
78
|
3.96
|
PM10 concentration (μg/m3)
|
≤ 50.04
|
1302
|
39.28
|
814
|
25.06
|
109
|
3.22
|
50.04 - 61.23
|
1362
|
40.83
|
884
|
26.67
|
126
|
3.72
|
61.23 - 76.30
|
1168
|
42.88
|
737
|
27.35
|
119
|
4.42
|
> 76.30
|
901
|
36.23
|
540
|
22.09
|
102
|
4.16
|
-
a AC, adenocarcinoma; ASR, age-standardized incidence rate; CO, carbon monoxide; NO, nitric oxide; NO2, nitrogen dioxide; O3, ozone; PM10, particulate matter < 10 μm; SCC, squamous cell carcinoma; SO2, sulfur dioxide.
-
b All cases included AC, SCC, large cell carcinoma, and small cell carcinoma.